Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Ra1 draw
3 Rb4 draw
4 Rb5 draw
5 Rf1 draw
6 Ka7 loss in 2 half-moves
7 Ka8 loss in 2 half-moves
8 Kbb7 loss in 2 half-moves
9 Kbc7 loss in 2 half-moves
10 Kcb7 loss in 2 half-moves
11 Kcc7 loss in 2 half-moves
12 Kd7 loss in 2 half-moves
13 Kd8 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rh1 loss in 2 half-moves